Home / 9,290.92-12,838.08-6,910.50

Finding the Fourth Proportional to 9,290.92, 12,838.08 and 6,910.50

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Solution

The fourth proportional to 9,290.92, 12,838.08 and 6,910.50 is: 9,548.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,290.92 : 12,838.08 = 6,910.50 : x
  2. Step 2: Convert to fraction form
    9,290.92/12,838.08 = 6,910.50/x
  3. Step 3: Cross multiply
    9,290.92x = 12,838.08 × 6,910.50
  4. Step 4: Simplify right side
    9,290.92x = 88,717,551.84
  5. Step 5: Solve for x
    x = 88,717,551.84/9,290.92
  6. Step 6: Final answer
    x = 9,548.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.